66346066 has 8 divisors (see below), whose sum is σ = 100035324. Its totient is φ = 33000960.

The previous prime is 66346057. The next prime is 66346079. The reversal of 66346066 is 66064366.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 5041 = 8145^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×66346066³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85555 + ... + 86326.

Almost surely, 2^66346066 is an apocalyptic number.

66346066 is a deficient number, since it is larger than the sum of its proper divisors (33689258).

66346066 is a wasteful number, since it uses less digits than its factorization.

66346066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172076.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 66346066 is about 8145.3094477742. The cubic root of 66346066 is about 404.8291023110.

The spelling of 66346066 in words is "sixty-six million, three hundred forty-six thousand, sixty-six".